三心 陈景润说学子要有三心：“一是信心，二是决心，三是恒心。”三性 鲁迅的读书方法，归纳起来就是三性：“一是目的性，二是灵活性，三是广泛性。”三回 高士其说：“学习的东西，一回见生，二回见熟，三回就成为朋友。”三多 欧阳修治学经验有三多：“多读好 Three hearts Chen Jingrun said the students should have three hearts: “First, confidence, and second, determination, and third, perseverance.” Three Lu Xun's reading methods, summed up the three nature: “First purpose, the second is flexibility, the third is extensive Sex. ”Three times, said:“ Learn something, a life-long, back to life, three back to become friends. ”More than three Ouyang Xiu learning experience has more than three:" read more good